/*
*Copyright ,2023 , NANOCHAP
*File name:   ENS1_EXTI.C         
*Author:      
*Version:     V1.0 
*Date:        2023-11-                  
*Description:  
*Function List: 
    
History: 
	1.V1.0
	Date:          
	Author: 
	Modification: 初版
*/ 


#include "ENS1_EXTI.h"


/*每一位在相应的线路上使能/失能事件或中断的上升沿触发  0-29*/
void EXTI_RisingTriggerSelect(EXTI_NUM NUM , FunctionalState newstate)
{	
	if(newstate == ENABLE)
		CMSDK_EXTI->RTSR |= (1<<NUM);
	else 
		CMSDK_EXTI->RTSR &=~ (1<<NUM);
}	

/*每一位在相应的线路上使能/失能事件或中断的下降沿触发  0-29*/
void EXTI_FallingTriggerSelect(EXTI_NUM NUM , FunctionalState newstate)
{
	if(newstate == ENABLE)
		CMSDK_EXTI->FTSR |= (1<<NUM);
	else 
		CMSDK_EXTI->FTSR &=~ (1<<NUM);
}

/*软件中断设置：通过软件设置某一位的上升沿发生从而导致上升沿中断（软件中断）发生，仅仅可写 0-29*/
void EXTI_SoftwareInterruptEventSet(EXTI_NUM NUM)
{
	CMSDK_EXTI->SWIER |= (1<<NUM);
}

/*读取上升沿触发请求数据（用于判断上升沿事件发生）*/
bool  Read_EXTI_RisingEdgePending(EXTI_NUM NUM)
{
	return (bool)((CMSDK_EXTI->RISE_PEND_STS >> NUM ) & 0x1);
}
//清除上升沿触发状态
void Clear_EXTI_RisingEdgePending(EXTI_NUM NUM)
{
	CMSDK_EXTI->RISE_PEND_CLR |= (1<<NUM);
}

/*读取下降沿触发请求数据（用于判断下降沿事件发生）*/
bool  Read_EXTI_FallingEdgePending(EXTI_NUM NUM)
{
	return (bool)((CMSDK_EXTI->FALL_PEND_STS >> NUM) & 0x1);
}
//清除下降沿触发状态
void Clear_EXTI_FallingEdgePending(EXTI_NUM NUM)
{
	CMSDK_EXTI->FALL_PEND_CLR |= (1<<NUM);
}

/*清除/屏蔽 唤醒CPU的中断线（0：用被屏蔽的中断唤醒 1：用未被屏蔽的中断唤醒）0-31*/ 
void  EXTI_INT_MASK(uint8_t NUM)
{	
	if(NUM >31)
		return ;
	CMSDK_EXTI->IMR |= (1<<NUM);
}

/*设置/清除 事件生成唤醒CPU  0-31 */
void EXTI_EVENT_MASK(uint8_t NUM)
{	
	if(NUM >31)
		return ;
	CMSDK_EXTI->EMR |= (1<<NUM);
}